EP1364695B1 - Filter with a housing - Google Patents

Filter with a housing Download PDF

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Publication number
EP1364695B1
EP1364695B1 EP03011109A EP03011109A EP1364695B1 EP 1364695 B1 EP1364695 B1 EP 1364695B1 EP 03011109 A EP03011109 A EP 03011109A EP 03011109 A EP03011109 A EP 03011109A EP 1364695 B1 EP1364695 B1 EP 1364695B1
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EP
European Patent Office
Prior art keywords
filter
housing
filter element
receiving chamber
cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Revoked
Application number
EP03011109A
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German (de)
French (fr)
Other versions
EP1364695A1 (en
Inventor
Edvard Kopec
Manfred Winter
Volker Dr. Greif
Klemens Dworatzek
Marion Hartmann
Karlheinz Muenkel
Jens Haehn
Joachim Stinzendoerfer
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Mann and Hummel GmbH
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Mann and Hummel GmbH
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Application filed by Mann and Hummel GmbH filed Critical Mann and Hummel GmbH
Publication of EP1364695A1 publication Critical patent/EP1364695A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0004—Details of removable closures, lids, caps or filter heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B01D46/525—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material which comprises flutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00

Definitions

  • the invention relates to a filter in a filter housing according to the preamble of claim 1.
  • US Pat. No. 6,322,602 B2 describes an air filter which has a filter element to be flowed through axially in a cylindrical filter housing.
  • the receiving space for receiving the filter in the filter housing is to close at an axial end face in the region of the inflow side of the filter of a housing cover, which is released for replacement of the filter element, after which the filter element can be removed from the receiving space axially and replaced by a new filter element.
  • the invention is based on the problem to provide a structurally simple filter, which can be maintained with little effort. expedient should also be the space utilization in the filter housing can be improved.
  • the housing cover is seated in the filter according to the invention in a region of the filter housing between the upstream side and outflow side of the filter element and is located outside the flow path of the liquid or gaseous fluid to be cleaned.
  • the housing cover thus does not constitute an obstacle to the fluid to be cleaned, so that the filter can be integrated into the line system in such a way that the connection points between the line sections for the supply and discharge of the fluid in the upstream and downstream side together with the Filter element form a continuous, obstacle-free flow path. Unwanted storage spaces for the fluid can be avoided.
  • the filter can be installed in a structurally simple way axially into the flow path.
  • the receiving space including the filter element arranged therein, flows axially through the medium to be cleaned, wherein the housing cover limits the receiving space radially outwards and thus does not lie directly in the flow path and without Assembly work on the filter can be solved or placed. After opening the housing cover, the filter element can be removed radially or inserted into the receiving space.
  • the receiving space in the filter housing can be adapted in its dimensions exactly to the size of the filter element, without affecting the insertion or removal of the filter element.
  • the filter element is received in a separate carrier housing, which is an independent, independent of the filter housing component to be inserted into the receiving space.
  • This embodiment has the advantage that in addition to the support and support of the filter element and a guide and locking in the receiving space is accomplished with simple means by example, guide elements and locking elements are arranged on the support housing of the filter element.
  • the carrier housing is able to absorb additional forces both in the direction of flow and orthogonal thereto without influencing the filter element accommodated in the carrier housing.
  • a guide part may be arranged on the carrier housing of the filter element, which engages in a guide track, which is formed on a wall of the receiving space.
  • the guide member When inserting the filter element in the receiving space, the guide member is moved on the carrier housing along the guide track, wherein expediently in both the circumferential direction and in the axial direction an adjusting movement is performed to the filter element in its position in the receiving space insert or remove from the recording room.
  • a sealing element for separating the inflow side and the outflow side of the filter element into its sealing seat can be adjusted or removed from the sealing seat by means of this positively driven movement without the need to overcome high frictional forces which would preclude an adjusting movement.
  • the filter element can be detachably plugged into the carrier housing, in particular be inserted axially, so that in the case of a filter element change, the carrier housing can be reused.
  • it can also be advantageous to permanently connect the filter element to the carrier housing, for example by gluing.
  • the filter element is preceded by a pre-filter, which is designed in particular as Zyklonvorabscheider.
  • a pre-filter which is designed in particular as Zyklonvorabscheider.
  • the dirt particles to be separated are carried out by the centrifugal force in a rotating air flow to the outside and separated. Via a discharge opening, the separated dust can be removed from the filter.
  • the filter 1 has an oval cross-section.
  • the housing cover 3 has a shape which is suitable for positive fixing of the filter element 9 and the carrier housing 10 within the receiving space 11 in the filter housing 2.
  • the housing cover 3 has two lateral cover sections 3a and 3b which, together with an upper cover plate 3c, form a housing cover with an approximately arcuate cross section for reaching over the carrier housing 10 and the filter element 9 form.
  • the side cover portions 3 a and 3 b are inserted into the receiving space 11 in the filter housing 2 and lie between the inner wall of the receiving space 11 and the lateral surface of the support housing 10 via cooperating paragraphs on the outer surface of the support housing and the housing cover 3 is in addition to the radial securing of Carrier housing 10 and filter element 9 within the receiving space 11 also given an axial locking.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Abstract

Filter comprises a filter housing (2), and a removable filter element (9) in a receiving chamber (11) in the housing. The housing has a lid (3) for opening and closing the receiving chamber. The lid is in a region of the filter housing between the inlet side and the outlet side of the filter element at a distance from the flow path of the fluid to be cleaned.

Description

Die Erfindung betrifft einen Filter in einem Filtergehäuse nach dem Oberbegriff des Anspruches 1.The invention relates to a filter in a filter housing according to the preamble of claim 1.

In der Druckschrift US 6 322 602 B2 wird ein Luftfilter beschrieben, der in einem zylindrischen Filtergehäuse ein axial zu durchströmendes Filterelement aufweist. Der Aufnahmeraum zur Aufnahme des Filters im Filtergehäuse ist an einer axialen Stirnseite im Bereich der Anströmseite des Filters von einem Gehäusedeckel zu verschließen, welcher zum Austausch des Filterelementes gelöst wird, woraufhin das Filterelement aus dem Aufnahmeraum axial herausgenommen und durch ein neues Filterelement ersetzt werden kann.US Pat. No. 6,322,602 B2 describes an air filter which has a filter element to be flowed through axially in a cylindrical filter housing. The receiving space for receiving the filter in the filter housing is to close at an axial end face in the region of the inflow side of the filter of a housing cover, which is released for replacement of the filter element, after which the filter element can be removed from the receiving space axially and replaced by a new filter element.

Diese Ausführung weist den Nachteil auf, dass zum Austausch des Filterelements der Gehäusedeckel im Anströmbereich entfernt werden muss, was zunächst eine Demontage des gesamten Filtergehäuses aus seiner Einbauposition voraussetzt, weil der Gehäusedeckel mit den Zuleitungen für die Zufuhr der zu reinigenden Luft verbunden ist. Ein Austausch des Filterelementes ist daher nur mit einem erheblichen Aufwand zu bewerkstelligen, wodurch die Wartungsdauer ansteigt und erhebliche Wartungskosten anfallen.This design has the disadvantage that for replacement of the filter element of the housing cover must be removed in the inflow, which initially requires disassembly of the entire filter housing from its mounting position, because the housing cover is connected to the leads for the supply of air to be cleaned. An exchange of the filter element is therefore only with considerable effort to accomplish, whereby the maintenance time increases and incur considerable maintenance costs.

Aus der US 6,231,63D ist ein Luftfilter bekannt, bei dem ein Filterelement in einem Kippgehäuse angeordnet ist. Dieses Kippgehäuse ist in einem Strömungskanal angeordnet; der Strömungskanal wiederum wird mit einem Deckel verschlossen. Zum Austausch des Filterelementes ist es erforderlich, zunächst den Deckel zu öffnen, dann das Filterelement bzw. den Halterahmen des Filterelementes zu entriegeln und so zu kippen, dass das Element entnommen werden kann.From US 6,231,63D an air filter is known in which a filter element is arranged in a tilting housing. This tilting housing is arranged in a flow channel; The flow channel in turn is closed with a lid. To replace the filter element, it is necessary to first open the lid, then to unlock the filter element or the holding frame of the filter element and tilt so that the element can be removed.

Der Erfindung liegt das Problem zu Grunde, einen konstruktiv einfach aufgebauten Filter zu schaffen, welcher mit geringem Aufwand gewartet werden kann. Zweckmäßig soll auch die Raumausnutzung im Filtergehäuse verbessert werden.The invention is based on the problem to provide a structurally simple filter, which can be maintained with little effort. expedient should also be the space utilization in the filter housing can be improved.

Dieses Problem wird erfindungsgemäß mit den Merkmalen des Anspruches 1 gelöst. Die Unteransprüche geben zweckmäßige Weiterbildungen an.This problem is solved according to the invention with the features of claim 1. The dependent claims indicate expedient developments.

Der Gehäusedeckel sitzt beim erfindungsgemäßen Filter in einem Bereich des Filtergehäuses zwischen Anströmseite und Abströmseite des Filterelements und befindet sich außerhalb des Strömungswegs des zu reinigenden flüssigen oder gasförmigen Fluids. Der Gehäusedeckel stellt somit kein Hindernis für das zu reinigende Fluid dar, so dass der Filter in der Weise in das Leitungssystem integriert werden kann, dass die Anschlussstellen zwischen den Leitungsabschnitten für die Zufuhr bzw. Ableitung des Fluids im Bereich der Anströmseite und Abströmseite gemeinsam mit dem Filterelement einen durchgehenden, hindernisfreien Strömungsweg bilden. Unerwünschte Stauräume für das Fluid können vermieden werden. Außerdem kann der Filter in konstruktiv einfacher Weise axial in den Strömungsweg eingebaut werden.The housing cover is seated in the filter according to the invention in a region of the filter housing between the upstream side and outflow side of the filter element and is located outside the flow path of the liquid or gaseous fluid to be cleaned. The housing cover thus does not constitute an obstacle to the fluid to be cleaned, so that the filter can be integrated into the line system in such a way that the connection points between the line sections for the supply and discharge of the fluid in the upstream and downstream side together with the Filter element form a continuous, obstacle-free flow path. Unwanted storage spaces for the fluid can be avoided. In addition, the filter can be installed in a structurally simple way axially into the flow path.

Für Wartungszwecke reicht es aus, den Gehäusedeckel zu öffnen, wodurch der Aufnahmeraum im Filtergehäuse zugänglich gemacht wird und das verschmutzte Filterelement durch ein unverbrauchtes Filterelement ausgetauscht werden kann, ohne dass hierfür eine Demontage des Filters aus seiner Einbaulage im Leitungssystem erforderlich wäre. Die Roh- und Reinluftleitungen müssen zum Filterelementwechsel nicht entfernt werden. Wartungsarbeiten vereinfachen sich hierdurch erheblich.For maintenance purposes, it is sufficient to open the housing cover, whereby the receiving space is made accessible in the filter housing and the dirty filter element can be replaced by an unconsumed filter element, without requiring a disassembly of the filter from its installation position in the line system would be required. The raw and clean air lines do not have to be removed to change the filter element. Maintenance work is simplified considerably.

Ein weiterer Vorteil ist darin zu sehen, dass insbesondere die Anschlüsse im Anströmbereich und im Abströmbereich des Filters koaxial zur Durchströmungsrichtung des Filterelementes angeordnet sind, wodurch konstruktiv aufwendige und raumgreifende Anschlussstellen entbehrlich werden und insgesamt eine kleiner bauende und kompakte Ausführung erreicht wird. In bevorzugter Ausführung werden der Aufnahmeraum einschließlich dem darin angeordneten Filterelement axial von dem zu reinigenden Medium durchströmt, wobei der Gehäusedeckel den Aufnahmeraum radial nach außen begrenzt und somit nicht unmittelbar im Strömungsweg liegt und ohne Montagearbeiten am Filter gelöst bzw. aufgesetzt werden kann. Nach dem Öffnen des Gehäusedeckels kann das Filterelement radial entnommen bzw. in den Aufnahmeraum eingesetzt werden.Another advantage is the fact that in particular the connections are arranged coaxially to the flow direction of the filter element in the inflow and outflow of the filter, which structurally complex and expansive connection points are unnecessary and overall a smaller and compact design is achieved. In a preferred embodiment, the receiving space, including the filter element arranged therein, flows axially through the medium to be cleaned, wherein the housing cover limits the receiving space radially outwards and thus does not lie directly in the flow path and without Assembly work on the filter can be solved or placed. After opening the housing cover, the filter element can be removed radially or inserted into the receiving space.

Der Aufnahmeraum im Filtergehäuse kann in seinen Dimensionen genau an die Baugröße des Filterelementes angepasst werden, ohne dass dies das Einsetzen bzw. Herausnehmen des Filterelementes beeinträchtigt. Gegebenenfalls kann es aber zweckmäßig sein, Einbautoleranzen für ein erleichtertes Einsetzen bzw. Herausnehmen des Filterelementes vorzusehen. Es kann außerdem vorteilhaft sein, den Aufnahmeraum in Durchströmungsrichtung des zu reinigenden Fluids länger zu dimensionieren als das Filterelement, wobei der hierdurch entstehende axiale Spielraum auch für die Fixierung bzw. Verriegelung des Filterelements ausgenutzt werden kann.The receiving space in the filter housing can be adapted in its dimensions exactly to the size of the filter element, without affecting the insertion or removal of the filter element. Optionally, it may be appropriate to provide installation tolerances for easier insertion or removal of the filter element. It may also be advantageous to dimension the receiving space in the flow direction of the fluid to be cleaned longer than the filter element, wherein the resulting axial clearance can also be exploited for the fixation or locking of the filter element.

Gemäß der Erfindung ist das Filterelement in einem separaten Trägergehäuse aufgenommen, welches ein eigenständiges, vom Filtergehäuse unabhängiges Bauteil darstellt, das in den Aufnahmeraum einzusetzen ist. Diese Ausführung bietet den Vorteil, dass zusätzlich zur Stützung und Halterung des Filterelementes auch eine Führung und Verriegelung im Aufnahmeraum mit einfachen Mitteln zu bewerkstelligen ist, indem beispielsweise Führungselemente bzw. Verriegelungselemente am Trägergehäuse des Filterelements angeordnet sind. Das Trägergehäuse ist in der Lage, sowohl in Durchströmungsrichtung als auch orthogonal hierzu ohne Beeinflussung des im Trägergehäuse aufgenommenen Filterelementes zusätzliche Kräfte aufzunehmen.According to the invention, the filter element is received in a separate carrier housing, which is an independent, independent of the filter housing component to be inserted into the receiving space. This embodiment has the advantage that in addition to the support and support of the filter element and a guide and locking in the receiving space is accomplished with simple means by example, guide elements and locking elements are arranged on the support housing of the filter element. The carrier housing is able to absorb additional forces both in the direction of flow and orthogonal thereto without influencing the filter element accommodated in the carrier housing.

So kann insbesondere ein Führungsteil am Trägergehäuse des Filterelementes angeordnet sein, welches in eine Führungsbahn eingreift, die an einer Wandung des Aufnahmeraumes ausgebildet ist. Beim Einsetzen des Filterelementes in den Aufnahmeraum wird das Führungsteil am Trägergehäuse entlang der Führungsbahn bewegt, wobei zweckmäßig sowohl in Umfangsrichtung als auch in Achsrichtung eine Stellbewegung ausgeführt wird, um das Filterelement in seine Position im Aufnahmeraum einzuführen bzw. aus dem Aufnahmeraum herauszunehmen. Über diese zwangsgeführte Bewegung kann insbesondere ein Dichtelement zur Separierung der Anströmseite und der Abströmseite des Filterelementes in seinen Dichtsitz verstellt bzw. aus dem Dichtsitz entfernt werden, ohne dass hierfür hohe Reibungskräfte zu überwinden wären, welche einer Stellbewegung entgegenstehen würden.Thus, in particular a guide part may be arranged on the carrier housing of the filter element, which engages in a guide track, which is formed on a wall of the receiving space. When inserting the filter element in the receiving space, the guide member is moved on the carrier housing along the guide track, wherein expediently in both the circumferential direction and in the axial direction an adjusting movement is performed to the filter element in its position in the receiving space insert or remove from the recording room. In particular, a sealing element for separating the inflow side and the outflow side of the filter element into its sealing seat can be adjusted or removed from the sealing seat by means of this positively driven movement without the need to overcome high frictional forces which would preclude an adjusting movement.

Das Filterelement kann lösbar in das Trägergehäuse eingesteckt sein, insbesondere axial eingesteckt sein, so dass im Falle eines Filterelementwechsels das Trägergehäuse wiederverwendet werden kann. Es kann aber auch vorteilhaft sein, das Filterelement unlösbar mit dem Trägergehäuse zu verbinden, beispielsweise durch Kleben.The filter element can be detachably plugged into the carrier housing, in particular be inserted axially, so that in the case of a filter element change, the carrier housing can be reused. However, it can also be advantageous to permanently connect the filter element to the carrier housing, for example by gluing.

Zweckmäßig ist dem Filterelement ein Vorfilter vorgeschaltet, welcher insbesondere als Zyklonvorabscheider ausgeführt ist. Im Zyklonvorabscheider werden die abzuscheidenden Schmutzpartikel durch die Fliehkraft in einem rotierenden Luftstrom nach außen getragen und abgeschieden. Über eine Austragöffnung kann der abgeschiedene Staub aus dem Filter entfernt werden.Suitably, the filter element is preceded by a pre-filter, which is designed in particular as Zyklonvorabscheider. In the cyclone pre-separator, the dirt particles to be separated are carried out by the centrifugal force in a rotating air flow to the outside and separated. Via a discharge opening, the separated dust can be removed from the filter.

Weitere Vorteile und zweckmäßige Ausführungen sind den weiteren Ansprüchen, der Figurenbeschreibung und der Zeichnung zu entnehmen. Es zeigen:

Fig. 1
in Explosionsdarstellung einen Filter mit ovalem Filterelement mit einem, das Filterelement und das Trägergehäuse formschlüssig am Filtergehäuse arretierenden Gehäusedeckel.
Further advantages and expedient embodiments can be found in the further claims, the description of the figures and the drawing. Show it:
Fig. 1
in exploded view a filter with an oval filter element with a, the filter element and the carrier housing positively locking the filter housing housing cover.

Im in Fig. 1 gezeigten Ausführungsbeispiel besitzt der Filter 1 einen ovalen Querschnitt. Der Gehäusedeckel 3 besitzt jedoch eine Gestalt, die zum formschlüssigen Fixieren des Filterelementes 9 und des Trägergehäuses 10 innerhalb des Aufnahmeraumes 11 im Filtergehäuse 2 geeignet ist. Hierzu weist der Gehäusedeckel 3 zwei seitliche Deckelabschnitte 3a und 3b auf, die gemeinsam mit einer oberen Deckelplatte 3c einen Gehäusedeckel mit etwa bogenförmigem Querschnitt zum Übergreifen des Trägergehäuses 10 und des Filterelementes 9 bilden. In Montageposition sind die seitlichen Deckelabschnitte 3a und 3b in den Aufnahmeraum 11 im Filtergehäuse 2 eingesteckt und liegen zwischen der Innenwandung des Aufnahmeraumes 11 und der Mantelfläche des Trägergehäuses 10. Über zusammenwirkende Absätze auf der Mantelfläche des Trägergehäuses und am Gehäusedeckel 3 ist zusätzlich zur radialen Sicherung von Trägergehäuse 10 und Filterelement 9 innerhalb des Aufnahmeraumes 11 auch eine axiale Arretierung gegeben.In the embodiment shown in Fig. 1, the filter 1 has an oval cross-section. However, the housing cover 3 has a shape which is suitable for positive fixing of the filter element 9 and the carrier housing 10 within the receiving space 11 in the filter housing 2. For this purpose, the housing cover 3 has two lateral cover sections 3a and 3b which, together with an upper cover plate 3c, form a housing cover with an approximately arcuate cross section for reaching over the carrier housing 10 and the filter element 9 form. In assembly position, the side cover portions 3 a and 3 b are inserted into the receiving space 11 in the filter housing 2 and lie between the inner wall of the receiving space 11 and the lateral surface of the support housing 10 via cooperating paragraphs on the outer surface of the support housing and the housing cover 3 is in addition to the radial securing of Carrier housing 10 and filter element 9 within the receiving space 11 also given an axial locking.

Claims (9)

  1. Filter having a filter housing, with a filter element (9) that is insertable into and removable from a receiving chamber (11) in the filter housing (2), wherein the filter element (9) is accommodated in a support housing (10) and wherein the filter housing (2) includes a housing cover (3) for the opening and closing of the receiving chamber (11), wherein the housing cover (3) is disposed in a region of the filter housing (2) between the incoming side and the outgoing side of the filter element (9) at a spacing from the flow path of the fluid to be filtered, characterised in that the filter element (9) is secured in the receiving chamber (11) in a positive locking manner with the assistance of the housing cover and wherein an axial locking of the filter element internally of the receiving chamber (11) is provided, wherein for this purpose the housing cover (2) includes lateral cover portions (3a, 3b), which together with an upper cover plate (3c) form the said housing cover with an approximately curved cross-section for engaging over the support housing (10) and the filter element (9), wherein in the assembled position the lateral cover portions (3a) and (3b) are inserted into the receiving chamber (11) in the filter housing (2) and are supported between the inner wall of the receiving chamber (11) and the outside surface of the support housing (10), wherein the filter (1), the support housing (10) that accommodates the filter element and the filter element (9) have an oval cross-section.
  2. Filter according to claim 1, characterised in that the receiving chamber (11) and the filter element (9) are to be traversed axially by the medium to be filtered and the housing cover (3) defines the receiving chamber (11) in a radial manner.
  3. Filter according to claim 1 or 2, characterised in that the filter element (9) is insertable into the support housing (10) in detachable manner.
  4. Filter according to claim 1 or 2, characterised in that the filter element (9) is glued to the support housing (10).
  5. Filter according to one of claims 3 to 4, characterised in that a first locking member (20) is disposed at the support housing (10) and the said first locking member interacts with a second locking member (21) at the housing cover (3) when the filter element (9) is installed.
  6. Filter according to claim 3, characterised in that the incoming side and the outgoing side of the filter element (9) in the receiving chamber (11) are separated by means of at least one sealing element (sealing ring 12) so as to be fluid-tight and the sealing element (sealing ring 12) is retained at the support housing (10).
  7. Filter according to one of claims 1 to 6, characterised in that a preliminary filter (cyclone pre-separator 6) that is connected upstream of the filter element (9) is accommodated in the receiving chamber (11).
  8. Filter according to claim 7, characterised in that the preliminary filter is in the form of a cyclone pre-separator (6).
  9. Filter according to one of claims 1 to 8, characterised in that a fine filter (8) that is connected downstream of the filter element (9) is accommodated in the receiving chamber (11).
EP03011109A 2002-05-23 2003-05-22 Filter with a housing Revoked EP1364695B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10222800 2002-05-23
DE10222800A DE10222800B4 (en) 2002-05-23 2002-05-23 Filter in a filter housing

Publications (2)

Publication Number Publication Date
EP1364695A1 EP1364695A1 (en) 2003-11-26
EP1364695B1 true EP1364695B1 (en) 2006-09-27

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Family Applications (1)

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EP03011109A Revoked EP1364695B1 (en) 2002-05-23 2003-05-22 Filter with a housing

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US (1) US7004986B2 (en)
EP (1) EP1364695B1 (en)
AT (1) ATE340626T1 (en)
DE (2) DE10222800B4 (en)

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US7674308B2 (en) 2004-03-24 2010-03-09 Donaldson Company, Inc. Filter elements; air cleaner; assembly; and methods
US7708797B2 (en) 2006-01-20 2010-05-04 Donaldson Company, Inc. Air cleaner configured for receipt of various sized filter cartridges; components thereof; and, methods
US7931724B2 (en) 2003-12-22 2011-04-26 Donaldson Company, Inc. Seal arrangement for filter element; filter element assembly; and, methods
US7972405B2 (en) 2004-02-17 2011-07-05 Donaldson Company, Inc. Air cleaner arrangements; serviceable filter elements; and, methods
USD646369S1 (en) 2008-07-22 2011-10-04 Donaldson Company, Inc. Filter cartridge
US8409316B2 (en) 2005-11-09 2013-04-02 Donaldson Company, Inc. Seal arrangement for filter element; filter element assembly; and, methods

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US6190432B1 (en) 1999-02-26 2001-02-20 Donaldson Company, Inc. Filter arrangement; sealing system; and methods
ATE361139T1 (en) 1999-02-26 2007-05-15 Donaldson Co Inc FILTER ELEMENT WITH SEALING SYSTEM
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ATE340626T1 (en) 2006-10-15
US20040040271A1 (en) 2004-03-04
DE50305152D1 (en) 2006-11-09
US7004986B2 (en) 2006-02-28
DE10222800A1 (en) 2003-12-04
EP1364695A1 (en) 2003-11-26

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